Today's Word of the Day means...
quantum quan·tum (kwŏn'təm)
n. pl. quan·ta (-tə)
The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.
This amount of energy regarded as a unit.
A quantity or an amount.
A discrete, indivisible manifestation of a physical property, such as a force or angular momentum. Some quanta take the form of elementary particles; for example, the quantum of electromagnetic radiation is the photon, while the quanta of the weak force are the W and Z particles. See also quantum state.